# Grate the onion, and add all the ingredients except eggs on it.
# Knead for about 10 minutes, and refrigerate the meatball mixture for half an hour. Cut the meatball mixture into 6 pieces.
# Roll on each piece until it reaches a dessert plate size by the help of your wet fingertips.
# Place the uncut egg on the middle of the meatball mixture, and cover the egg with the meatball mixture. Roll between your palms for preventing it to open.
# Place the meatballs on a small tray, place sliced tomatoes and peppers between them, and pour vegetable oil all over.
# Cook the meatballs in the oven which is preheated to 374 F until their upper sides turn red.
# Serve hot.